Systems Administrator

Booz Allen Hamilton; Springfield (VA); On-site; USD 78,000 - 176,000; Full time

Job summary

Booz Allen Hamilton is seeking a Senior Systems Administrator to design, implement, and maintain enterprise IT systems and infrastructure in a mission-critical environment. You will manage Windows and Linux environments, VMware ESXi/vCenter, DNS/DHCP, and storage networks while coordinating with cross-functional teams.

Ideal candidates bring 5+ years of infrastructure experience, strong scripting (PowerShell/Bash), and cloud/DR knowledge, plus a Bachelor's degree.

Qualifications

• 5+ years of experience with systems administration or infrastructure roles.
• Experience with scripting in PowerShell or Bash.
• Experience with VMware ESXi and vCenter management.
• Experience in Windows Server and Linux environments (RHEL).
• Knowledge of DNS, DHCP, and network services.
• Knowledge of NFS storage, distributed switches, virtual networking, VLANs, subnets, and IP addressing.
• Ability to diagnose and resolve hardware and software issues.
• Ability to work independently and collaboratively in a fast-paced environment.
• Bachelor's degree required.

Responsibilities

• Administer, monitor, and maintain servers, virtualization platforms, storage systems, and enterprise applications.
• Configure, support, and optimize Windows and Linux operating environments.
• Manage VMware ESXi and vCenter; oversee DNS, DHCP, IP management.
• Install, rack, and maintain servers, switches, and storage arrays; perform RAID configuration.
• Implement backup, disaster recovery, and system continuity plans.
• Ensure systems adhere to security, compliance, and organizational standards.
• Collaborate with engineering and operations on new technologies and PoCs.
• Document systems, processes, and configurations.

Skills

PowerShell

Bash

VMware ESXi/VCenter

Windows Server

Linux (RHEL)

DNS/DHCP

Networking fundamentals

Hardware troubleshooting

Documentation & teamwork

Education

Bachelor's degree

Tools

VMware vSphere

VMware ESXi

vCenter

Python

Job description

The Opportunity:The Senior Systems Administrator is responsible for the design, implementation, maintenance, and support of enterprise systems and infrastructure. This role ensures the stability, integrity, and efficient operation of IT systems and will collaborate closely with cross-functional teams to deliver reliable and secure technology services. Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting our law enforcement and national security missions?What You’ll Work On:Administer, monitor, and maintain servers, virtualization platforms, storage systems, and enterprise applications.Configure, support, and optimize Windows and Linux operating environments.Manage virtualization environments such as VMware vSphere, including ESXi hosts and v Center .Oversee network services, including DNS, DHCP, IP address management, and basic routing and subnetting functions.Perform hardware installation, “rack and stack”, troubleshooting, and component replacement.Install, mount, and maintain servers, switches, and storage arrays, including performing hardware RAID configuration and overseeing hands‑on data center server management.Implement backup, disa ster recovery, and system continuity plans.Ensure systems adhere to security, compliance, and organizational standards.Troubleshoot complex infrastructure issues and provide root-cause analysis.Support onboarding of new hardware, virtual machines, and applications.Maintain documentation for systems, processes, and configurations.Collaborate with engineering and operations teams to support new technologies and proof-of-concept efforts.Your system administrator expertise will be vital as you identify problem areas and opportunities for improvement in a mission-critical network. You’ll help your team better understand the network by turning met rics into information and explaining their meaning.Join us. The world can’t wait.You Have:5+ years of experience with systems administration or infrastructure rolesExperience with scripting in tools such as PowerShell or BashExperience with VMware ESXi and v Center managementExperience in Windows Server and Linux, including RHELExperience managing DNS, DHCP, and network servicesKnowledge of NFS storage, distributed switches, virtual networking, and networking fundamentals such as VLANs, subnets, and IP addressingAbility to diagnose and resolve hardware and sof tware issuesAbility to work independently and collaboratively in a fast-paced environmentAbility to obtain and maintain a Public Trust or Suitability/Fitness determination based on client requirementsBachelor's degreeNice If You Have:Experience with cloud platforms such as AWS, GCP, or AzureExperience with backup and disa ster recovery toolsExperience with PythonPossession of strong documentation and communication skillsIndustry Certification s such as VMware VCP, CompTIA Linux+, or Micro sof t Certification sVetting:Applicants selected will be subject to a government investigation and may need to meet eligibility requirements of the U.S. government client.CompensationAt Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $77,600.00 to $176,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date.Identity StatementAs part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.Candidate AI Usage PolicyAI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided .Work ModelOur people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.Remote : If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.Hybrid : If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility.Onsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.Commitment to Non-DiscriminationAll qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.